/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.cloud.all.security.access;

import cn.cloud.all.security.core.GrantedAuthority;
import cn.cloud.all.security.core.authority.GrantedAuthoritiesMapper;

import java.util.*;

public class RoleHierarchyAuthoritiesMapper implements GrantedAuthoritiesMapper {
    private final RoleHierarchy roleHierarchy;

    public RoleHierarchyAuthoritiesMapper(RoleHierarchy roleHierarchy) {
        this.roleHierarchy = roleHierarchy;
    }

    public Collection<? extends GrantedAuthority> mapAuthorities(Collection<? extends GrantedAuthority> authorities) {
        return roleHierarchy.getReachableGrantedAuthorities(authorities);
    }
}
